Support edge-inclusive intersections in mapToVisibleRectInAncestorSpace

third_party/WebKit/Source/core/layout/LayoutView.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 92 matching lines @@
     float zoomFactor() const;
 
     FrameView* frameView() const { return m_frameView; }
 
     enum ViewportConstrainedPosition {
         IsNotFixedPosition,
         IsFixedPosition,
     };
 
     static ViewportConstrainedPosition toViewportConstrainedPosition(EPosition position) { return position == FixedPosition ? IsFixedPosition : IsNotFixedPosition; }
-    void mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, ViewportConstrainedPosition, const PaintInvalidationState*) const;
-    void mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, const PaintInvalidationState*) const override;
+    bool mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, ViewportConstrainedPosition, const PaintInvalidationState*, VisibleRectFlags = DefaultVisibleRectFlags) const;
+    bool mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, const PaintInvalidationState*, VisibleRectFlags = DefaultVisibleRectFlags) const override;
     void adjustViewportConstrainedOffset(LayoutRect&, ViewportConstrainedPosition) const;
 
     void invalidatePaintForViewAndCompositedLayers();
 
     void paint(const PaintInfo&, const LayoutPoint&) const override;
     void paintBoxDecorationBackground(const PaintInfo&, const LayoutPoint&) const override;
 
     enum SelectionPaintInvalidationMode { PaintInvalidationNewXOROld, PaintInvalidationNewMinusOld };
     void setSelection(LayoutObject* start, int startPos, LayoutObject*, int endPos, SelectionPaintInvalidationMode = PaintInvalidationNewXOROld);
     void clearSelection();
@@ skipping 156 matching lines @@
     OwnPtrWillBePersistent<HitTestCache> m_hitTestCache;
 
     Vector<LayoutMedia*> m_mediaForPositionNotification;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutView, isLayoutView());
 
 } // namespace blink
 
 #endif // LayoutView_h